00309nam a2200133Ia 4500008004100000100002300041245002000064250001200084260002500096300000800121650002400129942000700153999001500160190216s9999||||xx |||||||||||||| ||und||  aGopalakrishnan. Ka 0aBasic Chemistry  a1st Ed.  bTeachers Publication  a242  aChemistry-Chemistry  cBK  c2748d2748